US stocks trade mixed as Wall Street digests slew of earnings results

• US stocks were mixed Friday but largely flat amid more earnings reports.
• Over 75% of S&P 500 companies that have reported so far have beat analysts’ earnings estimates. 
• But the S&P 500 and the Dow are on track for their worst week since March. 

US stocks were trading mixed on Friday but still largely flat as investors digested more corporate earnings results. 

The S&P 500 and Dow Jones Industrial Average are headed for their worst trading week since March. The Nasdaq Composite is expected to close the week in the red as well.